> Axel> Hello there, I have a strange plotting problem. In the
> Axel> example below I expect three equal plots of f, g and h: a
> Axel> simple inclined line, but g and h produce a sawtooth
> Axel> plot. What do I do wrong? Any help would be greatly
> Axel> appreceated.
>
> Not sure what your problem is -- I can run your script and get three
> identical lines as expected.
>
> My guess if you are mixing numpy with an incorrect matplotlib numerix
> setting. If you are creating your arrays with numpy, you need to set
> "numerix :numpy" in your matplotlibrc file
>
> http://matplotlib.sf.net/matplotlibrc
>
>
> You can find your numerix setting by running your script with
>
> > python myscript.py --verbose-helpful
>
> JDH
>
John, thanks for your suggestion. I would never have thought of looking
for the cause of the problem in that direction. However, it isn't solved
yet. The verbose mode yielded the line "numerix Numeric 23.7", which is
apparently wrong. Actually I am trying to use SciPy, which I've heard is
based on NumPy, so I believe this numerix thing should be connected with
NumPy. I copied the file http://matplotlib.sf.net/matplotlibrc to
~/.matplotlib/matplotlibrc (such a file didn't exist) and now I get a
new kind of error (see below). Do you (or anyone) have an idea what this
is about? Thanks in advance!
Axel.
> python datasetPrepare.py --verbose-helpful
matplotlib data path /usr/lib/python2.4/site-packages/matplotlib/mpl-data
$HOME=/staf/axel
CONFIGDIR=/staf/axel/.matplotlib
loaded rc file /staf/axel/.matplotlib/matplotlibrc
matplotlib version 0.87.3
verbose.level helpful
interactive is False
platform is linux2
Traceback (most recent call last):
File "datasetPrepare.py", line 1, in ?
import glob, os, Image, pylab, scipy, scipy.signal, copy
File "/usr/lib/python2.4/site-packages/pylab.py", line 1, in ?
from matplotlib.pylab import *
File "/usr/lib/python2.4/site-packages/matplotlib/pylab.py", line 196,
in ?
import cm
File "/usr/lib/python2.4/site-packages/matplotlib/cm.py", line 5, in ?
import colors
File "/usr/lib/python2.4/site-packages/matplotlib/colors.py", line 33,
in ?
from numerix import array, arange, take, put, Float, Int, where, \
File
"/usr/lib/python2.4/site-packages/matplotlib/numerix/__init__.py", line
68, in ?
from _sp_imports import nx, infinity
File
"/usr/lib/python2.4/site-packages/matplotlib/numerix/_sp_imports.py",
line 1, in ?
from numpy import Int8, UInt8, \
ImportError: cannot import name Int8
--
Axel Brink
Ph.D student
Artificial Intelligence
University of Groningen
www.ai.rug.nl/~axel
Tel.: +31 (0)50 363 7410
Postal addr.: Grote Kruisstraat 2/1, 9712 TS, Groningen, The Netherlands
Visiting addr.: Zernikepark 10, Groningen, The Netherlands
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